PCM4202使用了 PCM Slave Mode Operation 。我发现quad rate mode(LRCK=200KHz,SCKI=128fs,BCK=64fs)时噪声很大,而其他模式时,噪声很小。图一为quad rate mode采到的波形图,图二为相应的FFT图。
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.